Lexmark XM3142
The copy output depicts striped or jagged patterns when copying documents with gray background.
From the printer touchscreen panel, scroll and navigate through Settings > Copy > Content Type and change it from "Text/Photo" to "Photo". Click here for an illustration.
If the issue persists, try changing the source image's background to another color, if possible.
LEGACY ID: SO8820
Adjusting the toner darkness and specifying the correct paper type can help remove unwanted gray background from the printed page.
Configure the settings to allow you to copy documents on a letterhead.